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JO Cowen Architects Ltd

JO Cowen Architects Ltd is an architectural practice in London. See its accreditations, specialisms and planning track record.

10applications
86%approved
3councils
Full track record →
Active on Companies House
08754147
Architectural Activities

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London, SW10, England

About JO Cowen Architects Ltd

Jo Cowen Architects encompasses two separate architectural and advisory enterprises - Cowen+Partners and Studio Jo Cowen - offering a full spectrum of services. The practice specialises in development-led regeneration, masterplanning, residential, hospitality and living sector projects, as well as bespoke individual homes designed to meet clients' unique needs.

Credentials

  • ARB registered
  • RIBA chartered

Memberships can lapse, so check before work starts.

Planning Application Track Record

10
Applications
86%
Approval Rate
3
Local Authorities

Local Authorities

Hammersmith and Fulham
Lambeth
Stockton-on-Tees

Application Types

New Dwellings
3
Other
2
Extensions
2
Demolition
1
Conditions
1

Planning Application History (10)

8 of 10 applications have a map location
2024/00941/DET
Submission of details of the materials and design of the refuse and recycling storage enclosure, pursuant to Condition 7 of planning permission reference: 2023/02789/FUL dated 5th January 2024.
7 Ryecroft Street London SW6 3TP
Permitted
Hammersmith and Fulham2024-04-24
2025/03019/VAR
Variation of Condition 2 (approved drawings) to provide a minor material amendment to planning permission reference: 2025/00641/FUL dated 4th June 2025 for the "Erection of front and rear mansard roof extensions, including 1no. additional dormer to the rear roofslope, 1no. rooflight to the front roofslope and 1no. rooflight to the side roofslope; erection of a part one part two storey rear extension at ground and first floor levels; excavation of the front and rear garden to form lightwells and additional accommodation below rear garden level, in connection with the enlargement of the existing basement; and installation of replacement windows throughout." Amendment sought is the demolition of the flank wall, on top of the demolition already proposed as part of the original application.
2 Broomhouse Road London SW6 3QX
Withdrawn
Hammersmith and Fulham2025-10-29
25/03341/FUL
Alterations to the rear elevation, including the replacement of 2x first-floor windows with French doors and the installation of Juliet balconies. Formation of a dormer window to the second-floor rear elevation; and the replacement of two existing rooflights with a single enlarged rooflight.
122 Victoria Rise London SW4 0NW
Rejected
Lambeth2025-10-24
2023/02888/FUL
Erection of a rear extension at second floor level over part of the existing back addition; erection of a single storey rear extension to the side of the existing back addition; excavation of the front and rear garden to form lightwells in connection with the enlargement of the existing basement; alterations to the rear roof extension to include the installation of French doors and a Juliet balcony to replace the existing windows in the rear roofslope; infilling of the existing door to the side of single storey rear back addition; installation of French doors at ground floor level to the rear elevation.
66 Ringmer Avenue London SW6 5LW
Permitted
Hammersmith and Fulham2023-11-03
26/00238/FUL
Installation of an enlarged roof light front/rear above the staircase; the replacement of the rear first floor windows with white painted timber french doors with black painted metal juliet balconies; the addition of a rear dormer window at second floor level.
122 Victoria Rise London Lambeth SW4 0NW
Permitted
Lambeth2026-01-27
Hammersmith/2026/00041/FUL
27 Napier Avenue London SW6 3PS
Hammersmith and Fulham2026-01-09Not in our records
Council site
Stockton/23/1477/FUL
30 Tunstall Road Stockton-on-Tees TS18 5LX
Stockton-on-Tees2023-08-07Not in our records
Council site
2023/02888/FUL
Erection of a rear extension at second floor level over part of the existing back addition; erection of a single storey rear extension to the side of the existing back addition; excavation of the front and rear garden to form lightwells in connection with the enlargement of the existing basement; alterations to the rear roof extension to include the installation of French doors and a Juliet balcony to replace the existing windows in the rear roofslope; infilling of the existing door to the side of single storey rear back addition; installation of French doors at ground floor level to the rear elevation.
66 Ringmer Avenue London SW6 5LW
Permitted
Hammersmith and Fulham2023-11-03
2024/00941/DET
Submission of details of the materials and design of the refuse and recycling storage enclosure, pursuant to Condition 7 of planning permission reference: 2023/02789/FUL dated 5th January 2024.
7 Ryecroft Street London SW6 3TP
Permitted
Hammersmith and Fulham2024-04-24
2025/03019/VAR
Variation of Condition 2 (approved drawings) to provide a minor material amendment to planning permission reference: 2025/00641/FUL dated 4th June 2025 for the "Erection of front and rear mansard roof extensions, including 1no. additional dormer to the rear roofslope, 1no. rooflight to the front roofslope and 1no. rooflight to the side roofslope; erection of a part one part two storey rear extension at ground and first floor levels; excavation of the front and rear garden to form lightwells and additional accommodation below rear garden level, in connection with the enlargement of the existing basement; and installation of replacement windows throughout." Amendment sought is the demolition of the flank wall, on top of the demolition already proposed as part of the original application.
2 Broomhouse Road London SW6 3QX
Withdrawn
Hammersmith and Fulham2025-10-29

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